Standardize ABAP string delimiters to backticks

Replace single quotes with backtick literals in ABAP code examples
for consistency across the documentation. AUTHORITY-CHECK literals
in authorization.md are kept as single quotes (ABAP convention for
character literals).

https://claude.ai/code/session_0165sq6V21ktTSAhKUW4r74K

Author: claude

docs/development/trouble.md

@@ -20,29 +20,29 @@ METHOD z2ui5_if_app~main.
                         ` alert("inputmode changed to" + mode); }` ).
 
     DATA(page) =   view->shell(
-             )->page( title          = 'abap2UI5 - Softkeyboard on/off'
-                      navbuttonpress = client->_event( 'BACK' )
+             )->page( title          = `abap2UI5 - Softkeyboard on/off`
+                      navbuttonpress = client->_event( `BACK` )
                       shownavbutton  = client->check_app_prev_stack( )
                       )->_z2ui5( )->focus( focusid = `ZINPUT`
       )->simple_form( editable = abap_true
-                 )->content( 'form'
-                     )->title( 'Keyboard on/off'
-                     )->label( 'Input'
+                 )->content( `form`
+                     )->title( `Keyboard on/off`
+                     )->label( `Input`
                      )->input( id               = `ZINPUT`
                                value            = client->_bind_edit( input )
                                showvaluehelp    = abap_true
-                               valuehelprequest = client->_event( 'CALL_KEYBOARD' )
-                               valuehelpiconsrc = 'sap-icon://keyboard-and-mouse' ).
+                               valuehelprequest = client->_event( `CALL_KEYBOARD` )
+                               valuehelpiconsrc = `sap-icon://keyboard-and-mouse` ).
 
     client->view_display( page->stringify( ) ).
 
     ENDIF.
 
 
     CASE client->get( )-event.
-      WHEN 'CALL_KEYBOARD'.
+      WHEN `CALL_KEYBOARD`.
         client->follow_up_action( `z2ui5.afterBE("ZINPUT", "none");` ).
-      WHEN 'BACK'.
+      WHEN `BACK`.
         client->nav_app_leave( ).
     ENDCASE.
 

docs/technical/dx.md

@@ -61,7 +61,7 @@ abap2UI5 mirrors this classic selection screen behavior in the browser. Use `Z2U
 CLASS zcl_app_input DEFINITION PUBLIC CREATE PUBLIC.
   PUBLIC SECTION.
     INTERFACES z2ui5_if_app.
-    DATA pa_arbgb TYPE string VALUE 'MDG_TR'.
+    DATA pa_arbgb TYPE string VALUE `MDG_TR`.
 ENDCLASS.
 
 CLASS zcl_app_input IMPLEMENTATION.